The presence of the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) in Colorado is a $714 million annual boost to the state’s economy, according to data compiled in a soon to be released analysis by the University of Colorado. That’s more than three times what it was just three years ago, when the economic impact was $192 million. NREL is the nation’s primary research and development laboratory for the advancement of clean and renewable energy, and for maximizing en...